<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索添加区域 -->

      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getUserList'>
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
          <!-- 使用diolog 对话框 -->
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名"  prop="username"></el-table-column>
        <el-table-column label="邮箱"  prop="email"></el-table-column>
        <el-table-column label="电话"  prop="mobile"></el-table-column>
        <el-table-column label="角色"  prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="">
            <!-- 修改 删除 分配角色 -->
            <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
            <el-button type="danger" size="mini" icon="el-icon-delete"></el-button>

            <el-tooltip :enterable="false" effect="dark" content="分配角色" placement="top">
            <el-button type="warning" size="mini" icon="el-icon-setting"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>

    </el-card>

  <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%">
      <!-- 内容主体区 -->
      <el-form :model="addForm" :rules="addFormRules"
                ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>

        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>

        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>

        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>

      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addDialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        //  当前页数
        pagenum: 1,
        //  当前每页显示多少条数据
        pagesize: 2
      },
      userList: [],
      total: 0,
      //  添加控制用户对话框的的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          {
            required: true,
            messgae: '请输入用户名',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 10,
            messgae: '用户名长度在3~10之间',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            messgae: '请输入密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 15,
            messgae: '用户名长度在6~15之间',
            trigger: 'blur'
          }
        ],
        email: [
          {
            required: true,
            messgae: '请输入email',
            trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true,
            messgae: '请输入手机号',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.console.error(('获取用户列表失败！'))
      this.userList = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听 pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    //  监听页码值的改变
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    //  监听角色状态的改变
    async userStateChange(userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    }
  }
}
</script>

<style lang="less" scoped>

</style>
